Diverse insect population means fewer pests in cornfields

Cornfields with a more diverse insect population have fewer problems with pests, according to a study done by U.S. Department of Agriculture agroecologist Jonathan Lundgren and South Dakota State University economics professor Scott Fausti.


Aphids in corn: The dilemma of post-pollination infestations

As agriculturalists re-enter corn fields to scout corn rootworm beetle populations and begin to estimate yield potential, they often find some unwelcome aphid visitors. Heavy infestations on ears and adjacent leaves can grab your attention and trigger the “Should I spray question?”


Swarms of "weird worms" and "sweat bees" infest Indiana corn fields

Over the last couple of weeks, many out-of-focus pictures and videos of multitudes of looping worms crawling over high-boy equipment that has recently been through corn fields. What were these things? Were they eating the corn? How do we kill them? The best we could determine, especially with the grainy video, was that the worms are actually maggots – fly larvae. The only maggots found in cornfields this time of the year are syrphid fly larvae, which are predators of soft-bodied insects, especially aphids. So these are good guys in action!


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